01746nam a2200409 a 4500001001200000003000800012006001900020007001500039008004100054010001700095020001500112020001800127020002700145040002100172035002100193050002300214082001900237100001800256245017600274246006300450250001200513260006300525300002400588504005400612533015200666650003900818650005200857650005400909650003800963650005101001650005401052650003901106655002901145710001701174856012601191999001901317ebr10522365CaPaEBRm        u        cr cn|||||||||080410s2009    coua    sb    000 0 eng d  z  2008016635  z1583215875  z9781583215876  z9781613000809 (e-book)  aCaPaEBRcCaPaEBR  a(OCoLC)77843269214aTD745b.G56 2009eb04a628.301/512221 aGiorgi, John.10aMath for wastewater treatment operators grades 1 and 2h[electronic resource] :ba guide to preparing for wastewater treatment operator certification exams /cJohn Giorgi.30aMath for wastewater treatment operators grades one and two  a1st ed.  aDenver, Colo. :bAmerican Water Works Association,cc2009.  axix, 360 p. :bill.  aIncludes bibliographical references (p. 357-358).  aElectronic reproduction.bPalo Alto, Calif. :cebrary,d2012.nAvailable via World Wide Web.nAccess may be limited to ebrary affiliated libraries. 0aSewagexPurificationxMathematics. 0aSewagexPurificationvProblems, exercises, etc. 0aSewage disposal plantsxEmployeesxCertification. 0aWaterxPurificationxMathematics. 0aWaterxPurificationvProblems, exercises, etc. 0aWater treatment plantsxEmployeesxCertification. 0aEngineering mathematicsvFormulae. 7aElectronic books.2local2 aebrary, Inc.40uhttp://site.ebrary.com/lib/rucke/Doc?id=10522365zAn electronic book accessible through the World Wide Web; click to view  c238422d238422